L-12 to L-13

Let L= Lim_(x rarr-2)(3x^(2)+ax+a+1)/(x^(2)+x-2) .If L is finite,then a) L= 4/3 b) L=13 c) L=-2 d) L= -1/3

S.L. Loney (Ex-13)

S.L. Loney (Ex-13)

If points (h,k) (1,2) and (-3, 4) lie on line L_(1) and points (h,k) and (4,3) lie on L_(2). If L_(2) is perpendicular to L_(1), then value of (h)/(k) is